Systema EOLO BC RT - Quadri Comando Per Il Funzionamento del Bruciatore; Comando Manuale con Controllo Non Fornito da Systema; Optional Connections (Room Control Panel Not Supplied by Systema)

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SYSTEMA EOLO RT rev. 09ENIT04052021

ELECTRICAL CONNECTION

4.1 QUADRI COMANDO PER IL FUNZIONAMENTO DEL BRUCIATORE

4.1.1 Comando manuale con controllo non fornito da Systema

The units can be supplied without a room terminal.

In this case, connect the normally open contact (TA) of the thermostat to terminals 1-2 of the terminal block

(XG) to control the unit (Fig. 4.2).

For manual control of the heat ow, always refer to Figure 4.2 (alternatives A, B and C).

Please note

Operation is 'two-stage' according to parameter Y6 (see tab. 5.3 on p. 56). Setting value 0

(zero) excludes 'two-stage' operation and activates 'one-stage' operation.

Fig 4.2 Room thermostat panel connections and burner power adjustment (optional)

MOD = BURNER POWER ADJUSTMENT

= Two-phase regulation

= Regulation with 0-5 V signal

= Adjustment with 10 kOhm potentiometer

4.1.2 Optional connections (room control panel not supplied by Systema)

Legenda g. 4.2

Hbt = Block signal lamp on grounded panel (not pr ov i de d

by Systema)

Hft = Flame signal lamp on ground panel (not provided by Syste-

ma)

Hont = Luminaire signaling lamp on which ground dro (not

supplied by Systema)

RM = 10 kΩ potentiometer for manual modulation of the

heat capacity (not supplied by Systema)

Srt = Reset button on remote panel - NO contact (neutral)

TA = Room thermostat (not supplied by Systema)

TA2 = Second stage contact of the room thermostat (not

provided by Systema)

V0-5 = 0-5 V signal for automatic door modulation

thermal tata (not supplied by Systema)

Ve = Contact on earthed panel for ventilation activation

summer (not provided by Systema)

XG = Terminal block for connection to the earthed panel

in the housing panel of the main disconnector (see

g. 4.1 on p. 33)